Nuclear Magnetic Resonance and Components MCQs Questions Answers

By: Prof. Dr. Fazal Rehman | Last updated: May 22, 2025

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1. : With respect to one-component system, the mixture that is present at the triple point is ______.



2. : What is the degree of freedom for the sublimation curve?



3. : Under which of the following conditions is the one-component system converted into two-component systems?



4. : In _________ ways –CH3 protons can be coupled with protons on the adjacent carbon atom relative to their external field.



5. : For the NMR spectrum, we use the carbon tetrachloride and water successfully as a solvent.


6. : Which of the following is the number of phases at the sublimation curve?



7. : Under which of the following conditions is the two-component system converted into a one-component system?



8. : The degree of freedom for the decomposition of potassium permanganate will be ______________.



9. : Which of the following are the number of signals in 1-propanol and in 2-propanol?



10. : _______ is inversely proportional to the chemical shifts positions.



11. : The horizontal arrest in a cooling system refers to _______.



12. : The degree of freedom for decomposition of charcoal will be ______.



13. : The degree of freedom for the following reaction will be _______ CH4 ⟶ CO2 (gas) + 2H2O.



14. : Which of the following is the number of different orientations which a magnetic nucleus can take?



15. : The nuclei with a spin quantum number greater than which of the following can exhibit the NMR phenomenon?



16. : Which of the following is the number of NMR signals obtained in CH3COCH3?



17. : What does the NMR spectra of the functional isomers of the molecular formula C2H6O show signals respectively?



 

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